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Rockville W8T4-S4 8" 1000W Peak Car Subwoofer 4-Ohm, Shallow Mount, High-Excursion Cone, Durable Build, for Compact Car Audio Systems

  • Based on 273 reviews
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Availability: In Stock.
Fulfilled by Audiosavings

Arrives Sunday, Mar 22
Order within 13 hours and 5 minutes
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Style: 8” 4 Ohm


Features

  • HIGH-POWER PERFORMANCE:- Delivers 1000W peak power and 250W RMS (CEA-rated) for deep, distortion-free bass, ideal for car audio enthusiasts seeking impactful sound in compact vehicles or custom setups.
  • SHALLOW MOUNT DESIGN:- Compact 8" subwoofer fits tight spaces, making it perfect for trucks, small cars, or custom enclosures where standard subwoofers are too bulky.
  • VERSATILE 4-OHM IMPEDANCE:- Compatible with most car audio amplifiers, offering flexible wiring options for single or multi-sub setups to maximize system performance.
  • PRECISE BASS REPRODUCTION:- High-excursion cone ensures accurate, punchy bass, enhancing music genres like hip-hop, rock, or EDM for an immersive listening experience.
  • BUILT TO LAST:- Reinforced materials and durable construction withstand high power and extended use, ensuring consistent performance for long-term car audio enjoyment.

Description

Rockville W8T4-S4 8" 1000 Watts Peak/500 Watts Program/250 Watts RMS CEA-2006 Compliant 4-Ohm Shallow Mount Car Subwoofer

Brand: Rockville


Speaker Maximum Output Power: 1000 Watts


Frequency Response: 500 Hz


Connectivity Technology: Wired


Audio Output Mode: Surround


Mounting Type: Shallow Mount, Car Mount


Material: Metal, Paper/Polypropylene


Model Name: W8T4S4


Speaker Type: Subwoofer


Recommended Uses For Product: car


Compatible Devices: ['Smartphone', 'MP3 Player', 'Laptop']


Subwoofer Diameter: 8 Inches


Unit Count: 1.0 Count


Surround Sound Channel Configuration: 2.1


Color: Black


Included Components: Subwoofer^Owner's Manual


Product Dimensions: 8.5"D x 10"W x 10"H


Item Weight: 5.7 Pounds


Impedance: 4 Ohms


Is Waterproof: FALSE


Warranty Type: Time-based warranty


Number of Items: 1


Control Method: Voice


Wireless Communication Technology: No Wireless Communication Technology


Speaker Size: 8 Inches


Power Source: Corded Electric


Woofer Diameter: 8 Inches


Audio Driver Type: Dynamic Driver


Audio Driver Size: 8 Inches


Series Number: 4


UPC: 811080024592


Style: 8” 4 Ohm


Global Trade Identification Number: 92


Manufacturer: Audiosavings


Shape: Round


Set Name: Rockville W8T4-S4


Item Weight: 5.7 pounds


Item model number: W8T4S4


Date First Available: July 20, 2015


Charging Time: 39 Hours


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great Value and Sound for the money. Fast Easy install.
Style: 8” 4 Ohm
I replaced the factory JBL subwoofer in a 2008 Tundra CrewMax. The factory speaker was shot. It was a 9" subwoofer, but the opening in the sub box had some play and I could screw in this Rockville sub in fine, the size was perfect. I had to line it up so that the screws would line up before I pre-drilled the holes - but that is the design of the Toyota Sub box and given it was designed for a 9" speaker not am 8". It came with foam padding on the bottom of the contact surface but I added extra. The reason I chose this is that I had a 3-1/2" height so I needed a low profile sub a this worked out great. The quality for the value was great. The JBL was light weight and not very good. The weight difference between the two was laughable. The Rockville is nice and hefty and feels durable. Now with this Rockville installed you can feel the difference. It looks great installed BUT it is facing the floor under the back seat so nobody but me (and you via my pics can appreciate it). The sound quality is great and fills out what was missing with the other speaker and amp upgrades I made. What made the install super easy was the quick attachments. I cut the wires ands stripped them and used the spring loaded wire connector to just install the wire with no issues. ... show more
Reviewed in the United States on July 4, 2025 by AdR AdR

  • Size
Style: 8” 4 Ohm
Great sounds
Reviewed in the United States on January 16, 2026 by James Sims

  • Good speakers
Style: 8” 4 Ohm
Sounds good for the price
Reviewed in the United States on January 31, 2026 by juan

  • 2002 tahoe
Style: 8” 2 Ohm
Fits a 2002 tahoe stock box perfect and sounds ok with the stock amp
Reviewed in the United States on June 29, 2025 by Christian66 Christian66

  • Use with small amps
Style: 8” 2 Ohm
Sounded great..however 800 watt amp blew both speakers after 4 days of use
Reviewed in the United States on December 21, 2025 by Elry S.

  • Blew the second day I had it.
Style: 8” 2 Ohm
I install car audio for a living, know that i know what i'm doing. I know how to calculate the RMS power of an amp using an oscilloscope and a multimeter, looking at voltage and amp draw and such. I had this hooked up to a Taramps BASS400 amplifier and had the gain appropriately set to meet the RMS power rating of the sub, since the amp is overpowered for this unit. I never sent a clipped signal to this thing. It still blew on the second day. It seems the spider failed. Went to look into getting a replacement, only to find out this particular variation of this sub (SVC 2 ohm) has been discontinued and theyre all out of stock everywhere. It sounded great before it blew, its a shame i have nothing but a paperweight now. Maybe i can frisbee it at anyone trying to jack my ride? Idk. It was mounted in a factory enclosure for a lincoln town car. I checked the enclosure for leaks before installation and after it blew just to make sure there were no flukes. Maybe I just got a bad unit, but with production no longer happening, I'll never know. I kept my expectations in line for what is effectively a $50 shallow sub, but was let down nonetheless. ... show more
Reviewed in the United States on October 12, 2023 by Cam E. Ron

  • Great replacement Sub for factory
Style: 8” 4 Ohm
This sub changed the dynamic of my system which is by no means high-end. pushing factory amp in my 2001Tahoe to a Cheap deck and good 300W door speakers. Fit very nicely into the factory enclosure that came with the vehicle. Not sure how it performs under some amplification past factory but very noticeable improvement to the factory amp. I would buy another if I needed 2. I may update this if I up the power but I think it will be more of the same. ... show more
Reviewed in the United States on April 6, 2021 by Gary Bowman

  • Sound vs name brand.
Style: 8” 2 Ohm
Works great. 2nd speaker is tried. 1st one was a shallow mount Pioneer. Sounded like crap. Was trusting a name. Never again. This one here, so far so good. No blown speaker sound.
Reviewed in the United States on July 18, 2025 by Slim

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